Home / 167,411.24-231,029.20-90,931.07

Finding the Fourth Proportional to 167,411.24, 231,029.20 and 90,931.07

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Solution

The fourth proportional to 167,411.24, 231,029.20 and 90,931.07 is: 125,485.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,411.24 : 231,029.20 = 90,931.07 : x
  2. Step 2: Convert to fraction form
    167,411.24/231,029.20 = 90,931.07/x
  3. Step 3: Cross multiply
    167,411.24x = 231,029.20 × 90,931.07
  4. Step 4: Simplify right side
    167,411.24x = 21,007,732,357.24
  5. Step 5: Solve for x
    x = 21,007,732,357.24/167,411.24
  6. Step 6: Final answer
    x = 125,485.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.